package com.yh.travel.core.support;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * @ClassName ApplicationContextProvider
 * @Description 提供静态方法，获取容器中的对象
 * @Author 0715-YuHao
 * @Date 2020/10/31 10:56
 */
@Component
public class ApplicationContextProvider implements ApplicationContextAware {

    /**
     * @Author 0715-YuHao
     * @Description 上下文对象实例
     * @Date 2020/10/31 10:58
     */
    private static ApplicationContext applicationContext;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        ApplicationContextProvider.applicationContext = applicationContext;
    }

    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }

    public static Object getBean(String name) {
        return getApplicationContext().getBean(name);
    }

    public static <T> T getBean(Class<T> clazz) {
        return getApplicationContext().getBean(clazz);
    }

    public static <T> T getBean(String name, Class<T> clazz) {
        return getApplicationContext().getBean(name, clazz);
    }
}
